What is the usefulness of ""late-train"" contributions?

Gettysburg address question. what is the best line from the address? why do you think so?

When we adapt our current understandings to incorporate information we have engaged in?

Quick using the information in the graph, one might speculate that a) w.w.i created increased job opportunities in the u.s. b) the election of president hoover in 1936 caused unemployment to decline. c) the return of soldiers following w.w.ii caused unemployment to increase in the u.s. d) the new deal programs of president roosevelt created employment opportunities in the u.s.